%0 Journal Article
%A G. V. Drekova
%A V. G. Kravchenko
%T Dimension and structure of the kernel and cokernel of a singular
%J Doklady Akademii Nauk
%D 1990
%P 271-274
%V 315
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_315_2_a2/
%G ru
%F DAN_1990_315_2_a2